LOOK(1) LOOK(1) look - , look [] [] look , . look , ( sort(1) -d / -f, look). , /usr/share/dict/words, , . -a, --alternative . -d, --alphanum , , . , . , sort -d, 2.28. -f, --ignore-case . , . -t, --terminate , , . -h, --help . -V, --version . look 0, , 1, , >1, . WORDLIST . , . /usr/share/dict/words /usr/share/dict/web2 look ' 7 AT&T Unix. sort -d /etc/passwd -o /tmp/look.dict look -t: root:foobar /tmp/look.dict grep(1), sort(1) look util-linux, Linux . util-linux 2.41 2025-03-29 LOOK(1)